init

2026-08-27 08:57:14 +02:00
commit dca69c04ad
9 changed files with 1392 additions and 0 deletions
@@ -0,0 +1,9 @@
+node_modules
+
+.vscode
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+
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+
+Thumbs.db
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+    "name": "HDMI 2 an",
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+    "name": "HDMI 1 an",
+    "command": "echo 'on 0' | cec-client -s -d 1"
+  },
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+    "name": "HDMI 1 aus",
+    "command": "echo 'standby 0' | cec-client -s -d 1"
+  },
+  {
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+    "name": "HDMI 2 aus",
+    "command": "echo 'standby 1' | cec-client -s -d 1"
+  },
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+    "name": "scan",
+    "command": "echo 'scan' | cec-client -s -d 1"
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+    "name": "last reboot",
+    "command": "last reboot"
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@@ -0,0 +1,13 @@
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+  "description": "Kleines Web-Tool zum Speichern und Senden von HDMI-CEC-Befehlen über cec-client",
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+  },
+  "license": "MIT",
+  "dependencies": {
+    "express": "^5.2.1"
+  }
+}
@@ -0,0 +1,138 @@
+const form = document.getElementById("command-form");
+const nameInput = document.getElementById("name");
+const commandInput = document.getElementById("command");
+const list = document.getElementById("command-list");
+const emptyNote = document.getElementById("empty-note");
+const statusEl = document.getElementById("status");
+const outputEl = document.getElementById("output");
+
+function setStatus(message, kind) {
+  statusEl.textContent = message;
+  statusEl.className = "status" + (kind ? ` ${kind}` : "");
+}
+
+function showOutput(text) {
+  outputEl.hidden = !text;
+  outputEl.textContent = text || "";
+}
+
+function formatTerminal(command, output) {
+  const lines = [];
+  if (command) lines.push(`$ ${command}`);
+  if (output) lines.push(output);
+  return lines.join("\n");
+}
+
+async function api(url, options) {
+  const res = await fetch(url, options);
+  const data = await res.json().catch(() => ({}));
+  if (!res.ok) {
+    const err = new Error(data.error || `Fehler ${res.status}`);
+    err.data = data;
+    throw err;
+  }
+  return data;
+}
+
+function renderCommands(commands) {
+  list.replaceChildren();
+  emptyNote.hidden = commands.length > 0;
+
+  for (const cmd of commands) {
+    const li = document.createElement("li");
+
+    const info = document.createElement("div");
+    info.className = "info";
+    const name = document.createElement("span");
+    name.className = "name";
+    name.textContent = cmd.name;
+    const code = document.createElement("code");
+    code.textContent = cmd.command;
+    info.append(name, code);
+
+    const actions = document.createElement("div");
+    actions.className = "actions";
+
+    const runBtn = document.createElement("button");
+    runBtn.type = "button";
+    runBtn.textContent = "Ausführen";
+    runBtn.addEventListener("click", () => runCommand(cmd, runBtn));
+
+    const delBtn = document.createElement("button");
+    delBtn.type = "button";
+    delBtn.className = "delete";
+    delBtn.textContent = "Löschen";
+    delBtn.addEventListener("click", () => deleteCommand(cmd, delBtn));
+
+    actions.append(runBtn, delBtn);
+    li.append(info, actions);
+    list.append(li);
+  }
+}
+
+async function loadCommands() {
+  try {
+    renderCommands(await api("/api/commands"));
+  } catch (err) {
+    setStatus(`Befehle konnten nicht geladen werden: ${err.message}`, "error");
+  }
+}
+
+async function runCommand(cmd, button) {
+  button.disabled = true;
+  setStatus(`„${cmd.name}" wird gesendet …`);
+  showOutput("");
+  try {
+    const result = await api(`/api/commands/${cmd.id}/run`, { method: "POST" });
+    setStatus(
+      result.ok
+        ? `„${cmd.name}" wurde gesendet.`
+        : `cec-client hat sich mit Exit-Code ${result.exitCode} beendet.`,
+      result.ok ? "ok" : "error"
+    );
+    showOutput(formatTerminal(result.command, result.output));
+  } catch (err) {
+    setStatus(`Ausführen fehlgeschlagen: ${err.message}`, "error");
+    showOutput(formatTerminal(err.data?.command, err.data?.output));
+  } finally {
+    button.disabled = false;
+  }
+}
+
+async function deleteCommand(cmd, button) {
+  button.disabled = true;
+  try {
+    await api(`/api/commands/${cmd.id}`, { method: "DELETE" });
+    setStatus(`„${cmd.name}" wurde gelöscht.`, "ok");
+    await loadCommands();
+  } catch (err) {
+    setStatus(`Löschen fehlgeschlagen: ${err.message}`, "error");
+    button.disabled = false;
+  }
+}
+
+form.addEventListener("submit", async (event) => {
+  event.preventDefault();
+  const submitBtn = form.querySelector("button[type=submit]");
+  submitBtn.disabled = true;
+  try {
+    await api("/api/commands", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({
+        name: nameInput.value.trim(),
+        command: commandInput.value.trim(),
+      }),
+    });
+    setStatus(`„${nameInput.value.trim()}" wurde gespeichert.`, "ok");
+    form.reset();
+    nameInput.focus();
+    await loadCommands();
+  } catch (err) {
+    setStatus(`Speichern fehlgeschlagen: ${err.message}`, "error");
+  } finally {
+    submitBtn.disabled = false;
+  }
+});
+
+loadCommands();
@@ -0,0 +1,49 @@
+<!doctype html>
+<html lang="de">
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <title>CEC-Tool</title>
+  <link rel="stylesheet" href="style.css">
+</head>
+<body>
+  <main>
+    <h1>📺 CEC-Tool</h1>
+    <p class="subtitle">HDMI-CEC-Befehle speichern und über <code>cec-client</code> senden.</p>
+
+    <form id="command-form">
+      <fieldset>
+        <legend>Neuen Befehl anlegen</legend>
+        <div class="field">
+          <label for="name">Name</label>
+          <input type="text" id="name" name="name" required maxlength="60"
+                 placeholder="z. B. TV einschalten" autocomplete="off">
+        </div>
+        <div class="field">
+          <label for="command">Command</label>
+          <input type="text" id="command" name="command" required maxlength="200"
+                 placeholder="z. B. echo 'on 0' | cec-client -s -d 1" autocomplete="off" aria-describedby="command-help">
+          <span id="command-help" class="hint">
+            Vollständiger Shell-Befehl, z. B. <code>echo 'on 0' | cec-client -s -d 1</code> oder <code>echo 'scan' | cec-client -s -d 1</code>
+          </span>
+        </div>
+        <button type="submit">Speichern</button>
+      </fieldset>
+    </form>
+
+    <section aria-labelledby="list-heading">
+      <h2 id="list-heading">Gespeicherte Befehle</h2>
+      <ul id="command-list" class="command-list"></ul>
+      <p id="empty-note" class="hint" hidden>Noch keine Befehle gespeichert.</p>
+    </section>
+
+    <section aria-labelledby="output-heading">
+      <h2 id="output-heading">Ausgabe</h2>
+      <p id="status" class="status" role="status" aria-live="polite"></p>
+      <pre id="output" class="output" hidden></pre>
+    </section>
+  </main>
+
+  <script src="app.js"></script>
+</body>
+</html>
@@ -0,0 +1,176 @@
+:root {
+  color-scheme: light dark;
+  --bg: #f6f7f9;
+  --surface: #ffffff;
+  --text: #1c1f23;
+  --muted: #5c6570;
+  --border: #d6dbe1;
+  --accent: #0b57d0;
+  --accent-text: #ffffff;
+  --danger: #b3261e;
+  --ok: #146c2e;
+  --output-bg: #14181d;
+  --output-text: #d7e0ea;
+}
+
+@media (prefers-color-scheme: dark) {
+  :root {
+    --bg: #14181d;
+    --surface: #1d2229;
+    --text: #e6eaef;
+    --muted: #9aa4af;
+    --border: #39414b;
+    --accent: #6ea8ff;
+    --accent-text: #0b1526;
+    --danger: #ff8a80;
+    --ok: #7bd88f;
+    --output-bg: #0c0f13;
+    --output-text: #c8d2dc;
+  }
+}
+
+* { box-sizing: border-box; }
+
+body {
+  margin: 0;
+  font-family: system-ui, sans-serif;
+  line-height: 1.5;
+  background: var(--bg);
+  color: var(--text);
+}
+
+main {
+  max-width: 42rem;
+  margin: 0 auto;
+  padding: 1.5rem 1rem 3rem;
+}
+
+h1 { margin-bottom: 0.25rem; }
+.subtitle { margin-top: 0; color: var(--muted); }
+
+code {
+  font-family: ui-monospace, monospace;
+  font-size: 0.9em;
+  background: color-mix(in srgb, var(--border) 40%, transparent);
+  padding: 0.1em 0.35em;
+  border-radius: 4px;
+}
+
+fieldset {
+  background: var(--surface);
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  padding: 1rem 1.25rem 1.25rem;
+}
+
+legend {
+  font-weight: 600;
+  padding: 0 0.4rem;
+}
+
+.field { margin-bottom: 1rem; }
+
+label {
+  display: block;
+  font-weight: 600;
+  margin-bottom: 0.2rem;
+}
+
+input[type="text"] {
+  width: 100%;
+  padding: 0.5rem 0.65rem;
+  font: inherit;
+  color: inherit;
+  background: var(--bg);
+  border: 1px solid var(--border);
+  border-radius: 6px;
+}
+
+input:focus-visible,
+button:focus-visible {
+  outline: 3px solid var(--accent);
+  outline-offset: 2px;
+}
+
+input:user-invalid {
+  border-color: var(--danger);
+}
+
+.hint {
+  display: block;
+  margin-top: 0.25rem;
+  font-size: 0.85rem;
+  color: var(--muted);
+}
+
+button {
+  font: inherit;
+  font-weight: 600;
+  padding: 0.45rem 1rem;
+  border: 1px solid transparent;
+  border-radius: 6px;
+  cursor: pointer;
+  background: var(--accent);
+  color: var(--accent-text);
+}
+
+button:hover { filter: brightness(1.1); }
+button:disabled { opacity: 0.55; cursor: wait; }
+
+.command-list {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+  display: grid;
+  gap: 0.5rem;
+}
+
+.command-list li {
+  display: flex;
+  align-items: center;
+  gap: 0.75rem;
+  flex-wrap: wrap;
+  background: var(--surface);
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  padding: 0.6rem 0.9rem;
+}
+
+.command-list .info {
+  flex: 1;
+  min-width: 10rem;
+}
+
+.command-list .name {
+  font-weight: 600;
+  display: block;
+}
+
+.command-list .actions {
+  display: flex;
+  gap: 0.5rem;
+}
+
+button.delete {
+  background: transparent;
+  color: var(--danger);
+  border-color: var(--danger);
+}
+
+.status { min-height: 1.5em; margin: 0.25rem 0 0.5rem; }
+.status.ok { color: var(--ok); }
+.status.error { color: var(--danger); }
+
+.output {
+  background: var(--output-bg);
+  color: var(--output-text);
+  border-radius: 10px;
+  padding: 0.9rem 1rem;
+  font-family: ui-monospace, monospace;
+  font-size: 0.85rem;
+  white-space: pre-wrap;
+  word-break: break-word;
+  max-height: 20rem;
+  overflow-y: auto;
+  margin: 0;
+}
@@ -0,0 +1,89 @@
+const express = require("express");
+const fs = require("fs");
+const path = require("path");
+const { exec } = require("child_process");
+const crypto = require("crypto");
+
+const PORT = process.env.PORT || 3000;
+const DATA_FILE = path.join(__dirname, "commands.json");
+const CEC_TIMEOUT_MS = 15000;
+
+const app = express();
+app.use(express.json());
+app.use(express.static(path.join(__dirname, "public")));
+
+function loadCommands() {
+  try {
+    return JSON.parse(fs.readFileSync(DATA_FILE, "utf8"));
+  } catch {
+    return [];
+  }
+}
+
+function saveCommands(commands) {
+  fs.writeFileSync(DATA_FILE, JSON.stringify(commands, null, 2) + "\n");
+}
+
+// Alle gespeicherten Befehle
+app.get("/api/commands", (req, res) => {
+  res.json(loadCommands());
+});
+
+// Neuen Befehl anlegen
+app.post("/api/commands", (req, res) => {
+  const name = (req.body.name || "").trim();
+  const command = (req.body.command || "").trim();
+  if (!name || !command) {
+    return res.status(400).json({ error: "Name und Command dürfen nicht leer sein." });
+  }
+  const commands = loadCommands();
+  const entry = { id: crypto.randomUUID(), name, command };
+  commands.push(entry);
+  saveCommands(commands);
+  res.status(201).json(entry);
+});
+
+// Befehl löschen
+app.delete("/api/commands/:id", (req, res) => {
+  const commands = loadCommands();
+  const remaining = commands.filter((c) => c.id !== req.params.id);
+  if (remaining.length === commands.length) {
+    return res.status(404).json({ error: "Befehl nicht gefunden." });
+  }
+  saveCommands(remaining);
+  res.json({ ok: true });
+});
+
+// Befehl als Shell-Kommando ausführen
+app.post("/api/commands/:id/run", (req, res) => {
+  const entry = loadCommands().find((c) => c.id === req.params.id);
+  if (!entry) {
+    return res.status(404).json({ error: "Befehl nicht gefunden." });
+  }
+
+  exec(entry.command, { timeout: CEC_TIMEOUT_MS }, (error, stdout, stderr) => {
+    const output = (stdout + stderr).trim();
+
+    if (error?.killed) {
+      return res.status(504).json({
+        error: `Befehl wurde nach ${CEC_TIMEOUT_MS / 1000}s abgebrochen (${error.signal}).`,
+        command: entry.command,
+        output,
+      });
+    }
+
+    if (error && typeof error.code !== "number") {
+      return res.status(500).json({
+        error: `Befehl konnte nicht ausgeführt werden: ${error.message}`,
+        command: entry.command,
+      });
+    }
+
+    const exitCode = error ? error.code : 0;
+    res.json({ ok: exitCode === 0, exitCode, command: entry.command, output });
+  });
+});
+
+app.listen(PORT, () => {
+  console.log(`CEC-Tool läuft auf http://localhost:${PORT}`);
+});